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1)  Spectral collocation methods
谱配置法
2)  Chebyshev spectral collocation method
Chebyshev谱配置法
1.
The linearized incompressible Navier-Stokes equations in cylindrical coordinates are solved by a Chebyshev spectral collocation method, in order to study the temporal instabilities of viscous swirling jets near a nozzle exit.
用Chebyshev谱配置法求解柱坐标下线化不可压缩Navier Stokes方程 ,分析喷管出口附近粘性旋拧射流的线性稳定性 。
3)  spectral collocation technique
谱配置方法
1.
Sound propagation in a lined annular duct with mean swirling flow was investigated via the normal mode analysis of three-dimensional(3-D) Linearized Euler equations,and was calculated as a generalized eigenvalue problem by a spectral collocation technique.
特征模态分析采用谱配置方法计算轴向波数谱及扰动量的分布。
4)  spectrum disposition
频谱配置
5)  spectrum assignment
谱配置
1.
On the spectrum assignment probelm for the controllable operator pairs;
可控算子对的谱配置问题
6)  Fourier-Chebyshev collocation spectral method
Fourier-Chebyshev配置点谱方法
1.
The Poisson solvers in polar and cylindrical coordinate systems are developed using Fourier-Chebyshev collocation spectral method based on matrix-matrix multiplication.
采用矩阵相乘的Fourier-Chebyshev配置点谱方法求解极坐标与圆柱坐标系下的泊松方程。
补充资料:裂解气相色谱-质谱法
分子式:
CAS号:

性质:在普通的气相色谱质谱联用仪(GC/MS)的进样系统中加一个热裂解器,在热裂解器中,高聚物大分子被加热裂解成小分子气体,载气辛巴这些小分子带入色谱仪进行分离,再引入质谱仪进行电离和分析,质谱仪给出这些小分子的质谱图,化学家可以根据质谱结果,推测出原来高聚物的种类和可能结构。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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